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Today's Weather - Union City, CA
December 5, 2025 1:20 AM8°Feels Like 8°Hi -- Lo 4°FMostly Clear -
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Weather Details
- Windchill 46ºF Daily Rain 0"
- Dewpoint 39ºF Monthly Rain 0"
- Humidity 74% Avg. Wind ENE 3mph
- Pressure 30.25" Wind Gust 3mph
- Sunrise 7:06 AM Moon Full
- Sunset 4:49 PM UV Index 2 (Low)
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